Find Cheap Flights from Washington to San Francisco (WAS - SFO)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Washington to San Francisco

(Round-trip)
Depart: Mon Sep 25 2017 Return: Fri Sep 29 2017 Trip spans 5 days
Frontier
Frontier
IAD
SFO
20h 50m
1 stop
SFO
IAD
12h 51m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Frontier
Frontier
IAD
SFO
20h 50m
1 stop
SFO
IAD
16h 52m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
Frontier
Frontier
IAD
SFO
20h 50m
1 stop
SFO
IAD
12h 51m
1 stop
Depart: Sat Sep 30 2017 Return: Wed Oct 4 2017 Trip spans 5 days
Frontier
Frontier
IAD
SFO
18h 14m
1 stop
SFO
IAD
12h 51m
1 stop
Depart: Mon Oct 2 2017 Return: Wed Oct 11 2017 Trip spans 10 days
Frontier
Frontier
IAD
SFO
18h 14m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Tue Oct 3 2017 Return: Wed Oct 11 2017 Trip spans 9 days
Frontier
Frontier
IAD
SFO
20h 50m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Tue Oct 10 2017 Return: Fri Oct 20 2017 Trip spans 11 days
Frontier
Frontier
IAD
SFO
16h 55m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Tue Oct 17 2017 Return: Wed Oct 25 2017 Trip spans 9 days
Frontier
Frontier
IAD
SFO
16h 55m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
Frontier
Frontier
IAD
SFO
16h 55m
1 stop
SFO
IAD
7h 32m
1 stop
Depart: Wed Sep 27 2017 Return: Tue Oct 3 2017 Trip spans 7 days
Frontier
Frontier
IAD
SFO
20h 50m
1 stop
SFO
IAD
12h 51m
1 stop
Depart: Sat Sep 30 2017 Return: Fri Oct 13 2017 Trip spans 14 days
Frontier
Frontier
IAD
SFO
18h 14m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Mon Oct 2 2017 Return: Fri Oct 13 2017 Trip spans 12 days
Frontier
Frontier
IAD
SFO
18h 14m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Tue Oct 3 2017 Return: Fri Oct 13 2017 Trip spans 11 days
Frontier
Frontier
IAD
SFO
18h 14m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Tue Oct 10 2017 Return: Wed Oct 25 2017 Trip spans 16 days
Frontier
Frontier
IAD
SFO
16h 55m
1 stop
SFO
IAD
15h 42m
1 stop
Depart: Mon Sep 25 2017 Return: Mon Oct 2 2017 Trip spans 8 days
Frontier
Frontier
DCA
SFO
21h 35m
1 stop
SFO
DCA
19h 54m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
Frontier
Frontier
DCA
SFO
9h 25m
1 stop
SFO
DCA
12h 59m
1 stop
Depart: Sat Sep 30 2017 Return: Mon Oct 2 2017 Trip spans 3 days
Frontier
Frontier
DCA
SFO
18h 59m
1 stop
SFO
DCA
12h 59m
1 stop
Depart: Mon Oct 2 2017 Return: Tue Oct 3 2017 Trip spans 2 days
Frontier
Frontier
DCA
SFO
18h 59m
1 stop
SFO
DCA
19h 54m
1 stop
Depart: Wed Oct 18 2017 Return: Wed Oct 25 2017 Trip spans 8 days
Frontier
Frontier
DCA
SFO
19h 30m
1 stop
SFO
DCA
8h 29m
1 stop
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
Frontier
Frontier
DCA
SFO
8h 30m
1 stop
SFO
DCA
14h 35m
1 stop
Direct flights WAS to SFO on United
Flight # Depart DCA Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
2042 7:59 am 11:04 am Oct 30 - Nov 4
2042 8:00 am 11:05 am Oct 29 - Oct 29
2042 8:35 am 11:26 am Sep 6 - Oct 4
2042 8:40 am 11:31 am Oct 5 - Oct 28
Flight # Depart BWI Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
753 6:50 am 10:00 am Oct 30 - Nov 3
753 6:55 am 9:50 am Oct 7 - Oct 7
753 6:55 am 9:52 am Oct 8 - Oct 15
753 6:55 am 9:52 am Sep 24 - Oct 1
753 6:55 am 9:50 am Oct 21 - Oct 28
753 6:55 am 9:52 am Oct 22 - Oct 22
753 6:55 am 9:52 am Oct 14 - Oct 14
753 7:00 am 9:52 am Oct 17 - Oct 24
753 7:00 am 9:57 am Oct 19 - Oct 19
753 7:00 am 9:55 am Sep 23 - Sep 30
753 7:00 am 9:52 am Oct 25 - Oct 25
753 7:00 am 9:55 am Oct 16 - Oct 23
753 7:00 am 9:57 am Oct 12 - Oct 13
753 7:00 am 9:52 am Oct 11 - Oct 11
753 7:00 am 9:57 am Oct 26 - Oct 27
753 7:00 am 9:55 am Oct 9 - Oct 9
753 7:00 am 9:55 am Oct 5 - Oct 5
753 7:00 am 9:52 am Oct 10 - Oct 10
753 7:00 am 9:55 am Sep 19 - Oct 3
753 7:00 am 9:52 am Sep 22 - Sep 29
753 7:00 am 9:55 am Sep 25 - Oct 2
753 7:00 am 9:55 am Oct 4 - Oct 4
753 7:00 am 9:55 am Oct 6 - Oct 6
753 7:10 am 10:20 am Oct 29 - Oct 29
653 9:00 am 12:12 pm Oct 29 - Oct 29
2059 6:25 pm 9:18 pm Sep 24 - Oct 1
2059 6:35 pm 9:30 pm Sep 11 - Oct 27
2059 6:35 pm 9:28 pm Oct 8 - Oct 22
2059 6:41 pm 9:57 pm Oct 30 - Oct 30
2059 6:41 pm 9:57 pm Oct 29 - Oct 29
Flight # Depart IAD Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
1881 6:00 am 8:54 am Oct 27 - Oct 27
1881 6:35 am 9:27 am Sep 26 - Oct 3
1881 6:35 am 9:27 am Oct 4 - Oct 4
1881 6:35 am 9:29 am Oct 5 - Oct 5
1881 6:50 am 9:44 am Oct 16 - Oct 23
1881 6:50 am 9:44 am Oct 19 - Oct 19
1881 6:50 am 9:44 am Oct 20 - Oct 22
1881 6:50 am 9:44 am Oct 24 - Oct 24
1881 6:50 am 9:45 am Oct 25 - Oct 25
1881 6:50 am 9:44 am Oct 26 - Oct 26
1881 6:50 am 9:44 am Oct 2 - Oct 9
1881 6:50 am 9:44 am Oct 10 - Oct 17
1881 6:50 am 9:45 am Oct 11 - Oct 18
1881 6:53 am 9:55 am Oct 29 - Nov 3
424 8:15 am 11:20 am Oct 29 - Oct 29
492 8:15 am 11:08 am Oct 5 - Oct 5
492 8:15 am 11:08 am Oct 7 - Oct 7
492 8:15 am 11:08 am Oct 6 - Oct 20
492 8:15 am 11:08 am Oct 8 - Oct 8
492 8:15 am 11:08 am Oct 9 - Oct 9
492 8:15 am 11:08 am Oct 11 - Oct 11
492 8:15 am 11:08 am Oct 10 - Oct 10
492 8:15 am 11:08 am Oct 12 - Oct 12
492 8:15 am 11:08 am Oct 14 - Oct 14
492 8:15 am 11:08 am Oct 16 - Oct 16
492 8:15 am 11:08 am Oct 15 - Oct 22
492 8:15 am 11:08 am Oct 17 - Oct 17
492 8:15 am 11:08 am Oct 18 - Oct 18
492 8:15 am 11:08 am Oct 21 - Oct 21
492 8:15 am 11:08 am Oct 19 - Oct 19
492 8:15 am 11:08 am Oct 23 - Oct 23
492 8:15 am 11:08 am Oct 24 - Oct 24
492 8:15 am 11:08 am Oct 26 - Oct 26
492 8:15 am 11:08 am Oct 25 - Oct 25
492 8:15 am 11:08 am Oct 27 - Oct 27
492 8:15 am 11:08 am Oct 28 - Oct 28
424 8:20 am 10:57 am Sep 24 - Oct 1
424 8:20 am 10:57 am Sep 29 - Oct 4
424 8:20 am 10:57 am Sep 30 - Sep 30
424 8:20 am 10:57 am Oct 2 - Oct 2
424 8:20 am 10:57 am Oct 3 - Oct 3
492 8:25 am 11:32 am Oct 30 - Nov 3
539 8:35 am 11:09 am Oct 28 - Oct 28
424 8:45 am 11:47 am Oct 30 - Oct 30
492 8:45 am 11:47 am Oct 29 - Oct 29
1763 9:00 am 11:55 am Sep 29 - Oct 4
1763 9:00 am 11:55 am Sep 30 - Sep 30
1763 9:00 am 11:55 am Oct 1 - Oct 1
1763 9:00 am 11:55 am Oct 2 - Oct 2
1763 9:00 am 11:55 am Oct 3 - Oct 3
1763 9:00 am 11:55 am Oct 5 - Oct 5
1763 9:00 am 11:55 am Oct 6 - Oct 13
1763 9:00 am 11:55 am Oct 7 - Oct 7
1763 9:00 am 11:53 am Oct 8 - Oct 8
1763 9:00 am 11:55 am Oct 9 - Oct 9
1763 9:00 am 11:55 am Oct 10 - Oct 11
1763 9:00 am 11:55 am Oct 12 - Oct 17
1763 9:00 am 11:55 am Oct 14 - Oct 14
1763 9:00 am 11:53 am Oct 15 - Oct 22
1763 9:00 am 11:55 am Oct 16 - Oct 23
1763 9:00 am 11:55 am Oct 18 - Oct 18
1763 9:00 am 11:55 am Oct 19 - Oct 19
1763 9:00 am 11:55 am Oct 21 - Oct 21
1763 9:00 am 11:55 am Oct 24 - Oct 24
1763 9:00 am 11:55 am Oct 25 - Oct 27
1763 9:00 am 11:55 am Oct 26 - Oct 26
1763 9:00 am 11:55 am Oct 28 - Oct 28
215 12:31 pm 3:38 pm Oct 29 - Oct 31
525 12:32 pm 3:24 pm Sep 10 - Oct 1
525 12:32 pm 3:24 pm Sep 29 - Sep 29
525 12:32 pm 3:24 pm Sep 30 - Sep 30
525 12:32 pm 3:24 pm Oct 2 - Oct 2
525 12:32 pm 3:24 pm Oct 3 - Oct 6
525 12:32 pm 3:24 pm Oct 5 - Oct 12
525 12:32 pm 3:24 pm Oct 7 - Oct 7
525 12:32 pm 3:22 pm Oct 8 - Oct 15
525 12:32 pm 3:24 pm Oct 10 - Oct 10
525 12:32 pm 3:24 pm Oct 13 - Oct 13
525 12:32 pm 3:24 pm Oct 14 - Oct 14
525 12:32 pm 3:24 pm Oct 16 - Oct 23
525 12:32 pm 3:24 pm Oct 17 - Oct 17
525 12:32 pm 3:24 pm Oct 20 - Oct 20
525 12:32 pm 3:24 pm Oct 21 - Oct 21
525 12:32 pm 3:22 pm Oct 22 - Oct 22
525 12:32 pm 3:24 pm Oct 24 - Oct 27
525 12:32 pm 3:24 pm Oct 28 - Oct 28
525 12:37 pm 3:44 pm Oct 30 - Oct 30
560 2:39 pm 5:46 pm Oct 29 - Oct 29
560 2:49 pm 5:56 pm Oct 30 - Nov 3
1934 2:50 pm 5:42 pm Oct 6 - Oct 13
1934 2:50 pm 5:42 pm Oct 8 - Oct 15
1934 2:50 pm 5:42 pm Oct 11 - Oct 11
1934 2:50 pm 5:42 pm Oct 16 - Oct 27
1934 2:50 pm 5:42 pm Oct 18 - Oct 25
1934 2:50 pm 5:42 pm Oct 22 - Oct 22
560 2:59 pm 5:51 pm Sep 6 - Oct 4
560 2:59 pm 5:51 pm Sep 11 - Oct 3
560 2:59 pm 5:49 pm Sep 17 - Oct 1
1934 3:25 pm 6:17 pm Oct 5 - Oct 5
644 4:05 pm 6:57 pm Oct 28 - Oct 28
644 4:20 pm 7:25 pm Oct 30 - Nov 3
644 4:23 pm 7:15 pm Sep 28 - Oct 5
644 4:23 pm 7:15 pm Sep 29 - Oct 4
644 4:23 pm 7:15 pm Oct 6 - Oct 20
644 4:23 pm 7:15 pm Oct 7 - Oct 7
644 4:23 pm 7:15 pm Oct 8 - Oct 25
644 4:23 pm 7:15 pm Oct 10 - Oct 17
644 4:23 pm 7:15 pm Oct 14 - Oct 14
644 4:23 pm 7:15 pm Oct 21 - Oct 27
644 4:23 pm 7:15 pm Sep 16 - Sep 30
644 4:40 pm 7:45 pm Oct 29 - Oct 29
340 5:15 pm 7:58 pm Sep 6 - Oct 4
340 5:15 pm 8:19 pm Oct 3 - Oct 3
340 5:15 pm 7:56 pm Oct 5 - Oct 5
340 5:15 pm 7:58 pm Oct 6 - Oct 14
340 5:15 pm 8:19 pm Oct 10 - Oct 10
340 5:15 pm 7:58 pm Oct 15 - Oct 22
340 5:15 pm 7:58 pm Oct 16 - Oct 21
340 5:15 pm 8:19 pm Oct 17 - Oct 24
340 5:15 pm 7:58 pm Oct 23 - Oct 23
340 5:15 pm 7:58 pm Oct 25 - Oct 27
340 5:15 pm 7:58 pm Oct 28 - Oct 28
340 5:30 pm 8:26 pm Oct 29 - Oct 29
340 5:45 pm 8:58 pm Oct 30 - Oct 30
2022 6:20 pm 9:23 pm Oct 5 - Oct 9
2022 6:20 pm 9:23 pm Oct 8 - Oct 8
2022 6:20 pm 9:23 pm Oct 10 - Oct 10
2022 6:20 pm 9:23 pm Oct 11 - Oct 20
2022 6:20 pm 9:23 pm Oct 15 - Oct 15
2022 6:20 pm 9:23 pm Oct 17 - Oct 17
2022 6:20 pm 9:21 pm Oct 22 - Oct 22
2022 6:20 pm 9:23 pm Oct 23 - Oct 23
2022 6:20 pm 9:23 pm Oct 24 - Oct 27
2022 6:30 pm 9:33 pm Sep 10 - Oct 1
2022 6:42 pm 9:45 pm Sep 29 - Oct 3
2022 6:42 pm 9:45 pm Sep 28 - Oct 4
1192 7:02 pm 10:15 pm Oct 30 - Oct 30
712 7:16 pm 10:29 pm Oct 30 - Oct 30
1192 7:35 pm 10:35 pm Oct 29 - Oct 29
712 7:35 pm 10:35 pm Oct 1 - Oct 1
712 7:35 pm 10:35 pm Oct 2 - Oct 4
712 7:35 pm 10:35 pm Oct 6 - Oct 20
712 7:35 pm 10:35 pm Oct 23 - Oct 23
712 7:35 pm 10:35 pm Oct 24 - Oct 27
712 7:40 pm 10:40 pm Oct 5 - Oct 5
712 7:46 pm 10:44 pm Oct 29 - Oct 29
712 7:50 pm 10:50 pm Sep 29 - Sep 29
712 7:50 pm 10:50 pm Oct 22 - Oct 22
225 10:17 pm 1:19 am Oct 29 - Oct 29
225 10:17 pm 1:19 am Oct 30 - Nov 3
225 10:20 pm 1:10 am Sep 22 - Oct 3
225 10:20 pm 1:10 am Sep 24 - Oct 1
225 10:20 pm 1:10 am Oct 4 - Oct 4
225 10:20 pm 1:12 am Oct 6 - Oct 6
225 10:20 pm 1:12 am Oct 8 - Oct 19
225 10:20 pm 1:12 am Oct 13 - Oct 20
225 10:20 pm 1:12 am Oct 23 - Oct 26
225 10:20 pm 1:12 am Oct 27 - Oct 27
225 10:30 pm 1:17 am Oct 22 - Oct 22
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Washington
only $238
only $258
Destination

San Francisco
$238
Airlines